./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90fb66c2479950efa21815dc810e13a47fd3d1e739fbddfd7ca7a5dbeb6ac638 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:35:55,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:35:55,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:35:55,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:35:55,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:35:55,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:35:55,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:35:55,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:35:55,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:35:55,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:35:55,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:35:55,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:35:55,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:35:55,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:35:55,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:35:55,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:35:55,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:35:55,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:35:55,617 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:35:55,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:35:55,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:35:55,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:35:55,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:35:55,619 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:35:55,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:35:55,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:35:55,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:35:55,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:35:55,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:35:55,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:35:55,626 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:35:55,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:35:55,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90fb66c2479950efa21815dc810e13a47fd3d1e739fbddfd7ca7a5dbeb6ac638 [2024-11-08 19:35:55,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:35:55,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:35:55,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:35:55,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:35:55,987 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:35:55,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_61_bad.i Unable to find full path for "g++" [2024-11-08 19:35:58,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:35:58,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:35:58,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_61_bad.i [2024-11-08 19:35:58,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/data/853dba676/1284254705df4f1bbfa3fb87bb2604d4/FLAGacce98eb4 [2024-11-08 19:35:58,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/data/853dba676/1284254705df4f1bbfa3fb87bb2604d4 [2024-11-08 19:35:58,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:35:58,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:35:58,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:35:58,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:35:58,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:35:58,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:35:58" (1/1) ... [2024-11-08 19:35:58,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a40fabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:58, skipping insertion in model container [2024-11-08 19:35:58,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:35:58" (1/1) ... [2024-11-08 19:35:58,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:35:59,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:35:59,960 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:36:00,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:36:00,317 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:36:00,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00 WrapperNode [2024-11-08 19:36:00,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:36:00,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:00,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:36:00,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:36:00,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,378 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-08 19:36:00,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:00,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:36:00,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:36:00,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:36:00,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:36:00,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:36:00,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:36:00,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:36:00,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:36:00,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:36:00,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:36:00,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:36:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:36:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:36:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:36:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:36:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:36:00,713 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:36:00,716 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:36:00,865 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 19:36:00,866 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:36:00,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:36:00,925 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:36:00,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:00 BoogieIcfgContainer [2024-11-08 19:36:00,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:36:00,927 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:36:00,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:36:00,943 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:36:00,944 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:00" (1/1) ... [2024-11-08 19:36:00,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:36:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:36:01,017 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:36:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:36:01,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:01,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:36:01,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:01,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 19:36:01,336 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 19:36:01,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:36:01,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:01,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:01,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:36:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:01,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:36:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:01,459 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 19:36:01,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:36:01 ImpRootNode [2024-11-08 19:36:01,489 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:36:01,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:36:01,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:36:01,490 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:36:01,491 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:00" (3/4) ... [2024-11-08 19:36:01,495 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:36:01,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:36:01,497 INFO L158 Benchmark]: Toolchain (without parser) took 2840.46ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 106.9MB in the beginning and 103.8MB in the end (delta: 3.1MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2024-11-08 19:36:01,499 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 148.9MB. Free memory was 119.4MB in the beginning and 119.2MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:01,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1660.11ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 106.7MB in the beginning and 144.6MB in the end (delta: -37.9MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-11-08 19:36:01,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.07ms. Allocated memory is still 192.9MB. Free memory was 144.6MB in the beginning and 141.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:36:01,502 INFO L158 Benchmark]: Boogie Preprocessor took 24.50ms. Allocated memory is still 192.9MB. Free memory was 141.6MB in the beginning and 140.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:36:01,503 INFO L158 Benchmark]: RCFGBuilder took 520.93ms. Allocated memory is still 192.9MB. Free memory was 140.5MB in the beginning and 126.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:36:01,504 INFO L158 Benchmark]: CodeCheck took 562.62ms. Allocated memory is still 192.9MB. Free memory was 125.8MB in the beginning and 104.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 19:36:01,504 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 192.9MB. Free memory was 104.9MB in the beginning and 103.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:01,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_max_preinc_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_max_preinc_61b_badSource(data) [L1570] data = 0x7fffffff [L1571] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_max_preinc_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_max_preinc_61b_badSource(data) [L1555] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 148.9MB. Free memory was 119.4MB in the beginning and 119.2MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1660.11ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 106.7MB in the beginning and 144.6MB in the end (delta: -37.9MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.07ms. Allocated memory is still 192.9MB. Free memory was 144.6MB in the beginning and 141.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.50ms. Allocated memory is still 192.9MB. Free memory was 141.6MB in the beginning and 140.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.93ms. Allocated memory is still 192.9MB. Free memory was 140.5MB in the beginning and 126.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 562.62ms. Allocated memory is still 192.9MB. Free memory was 125.8MB in the beginning and 104.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 192.9MB. Free memory was 104.9MB in the beginning and 103.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:36:01,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90fb66c2479950efa21815dc810e13a47fd3d1e739fbddfd7ca7a5dbeb6ac638 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:36:03,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:36:04,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:36:04,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:36:04,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:36:04,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:36:04,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:36:04,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:36:04,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:36:04,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:36:04,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:36:04,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:36:04,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:36:04,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:36:04,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:36:04,137 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:36:04,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:36:04,140 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:36:04,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:36:04,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:36:04,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:36:04,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:36:04,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:36:04,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:36:04,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:36:04,144 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:36:04,144 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:36:04,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:36:04,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:36:04,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:36:04,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:36:04,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:36:04,146 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:36:04,146 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:36:04,147 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:36:04,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90fb66c2479950efa21815dc810e13a47fd3d1e739fbddfd7ca7a5dbeb6ac638 [2024-11-08 19:36:04,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:36:04,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:36:04,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:36:04,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:36:04,566 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:36:04,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_61_bad.i Unable to find full path for "g++" [2024-11-08 19:36:06,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:36:07,034 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:36:07,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_61_bad.i [2024-11-08 19:36:07,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/data/b01987b1c/6a359defb2534e729f3e1bf0033fb520/FLAG893fd3765 [2024-11-08 19:36:07,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/data/b01987b1c/6a359defb2534e729f3e1bf0033fb520 [2024-11-08 19:36:07,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:36:07,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:36:07,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:36:07,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:36:07,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:36:07,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:36:07" (1/1) ... [2024-11-08 19:36:07,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e45853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:07, skipping insertion in model container [2024-11-08 19:36:07,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:36:07" (1/1) ... [2024-11-08 19:36:07,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:36:08,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:36:08,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:36:08,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:36:08,494 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:36:08,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08 WrapperNode [2024-11-08 19:36:08,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:36:08,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:08,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:36:08,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:36:08,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,568 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 19:36:08,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:08,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:36:08,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:36:08,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:36:08,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:36:08,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:36:08,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:36:08,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:36:08,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:08" (1/1) ... [2024-11-08 19:36:08,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:36:08,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:36:08,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:36:08,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:36:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:36:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:36:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:36:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:36:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:36:08,870 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:36:08,872 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:36:09,030 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 19:36:09,031 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:36:09,116 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:36:09,118 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:36:09,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:09 BoogieIcfgContainer [2024-11-08 19:36:09,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:36:09,120 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:36:09,120 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:36:09,128 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:36:09,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:09" (1/1) ... [2024-11-08 19:36:09,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:36:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:36:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:36:09,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:36:09,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:09,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:36:09,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:36:09,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:36:09,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:36:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:09,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:36:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:09,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:36:09,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:36:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:36:09,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:36:09,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 19:36:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 19:36:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:36:09,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:09,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:36:09,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:36:09,444 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:36:09,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:36:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:09,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:36:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:09,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:36:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:09,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 19:36:09,690 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 19:36:09,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:36:09 ImpRootNode [2024-11-08 19:36:09,725 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:36:09,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:36:09,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:36:09,726 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:36:09,727 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:09" (3/4) ... [2024-11-08 19:36:09,730 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:36:09,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:36:09,732 INFO L158 Benchmark]: Toolchain (without parser) took 2644.65ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 44.3MB in the beginning and 47.1MB in the end (delta: -2.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-08 19:36:09,733 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 52.4MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:09,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1408.89ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 29.1MB in the end (delta: 15.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 19:36:09,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.90ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 29.1MB in the beginning and 65.7MB in the end (delta: -36.5MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-11-08 19:36:09,736 INFO L158 Benchmark]: Boogie Preprocessor took 45.75ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:36:09,737 INFO L158 Benchmark]: RCFGBuilder took 503.61ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 47.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:36:09,738 INFO L158 Benchmark]: CodeCheck took 605.39ms. Allocated memory is still 94.4MB. Free memory was 47.3MB in the beginning and 47.5MB in the end (delta: -252.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:09,739 INFO L158 Benchmark]: Witness Printer took 5.80ms. Allocated memory is still 94.4MB. Free memory was 47.5MB in the beginning and 47.1MB in the end (delta: 486.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:09,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_max_preinc_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_max_preinc_61b_badSource(data) [L1570] data = 0x7fffffff [L1571] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_max_preinc_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_max_preinc_61b_badSource(data) [L1555] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 52.4MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1408.89ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 29.1MB in the end (delta: 15.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.90ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 29.1MB in the beginning and 65.7MB in the end (delta: -36.5MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.75ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.61ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 47.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 605.39ms. Allocated memory is still 94.4MB. Free memory was 47.3MB in the beginning and 47.5MB in the end (delta: -252.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.80ms. Allocated memory is still 94.4MB. Free memory was 47.5MB in the beginning and 47.1MB in the end (delta: 486.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:36:09,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da4f32b9-cc6a-41c2-aa12-628fb26c12c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample